$ query “AS50510” --type=asn → 1 result(s)
AS50510 · CRUK-AS
Cancer Research UK
AS50510 is operated by Cancer Research UK and serves as an educational/research stub network, registered in the United Kingdom since 2010. The system announces 1 280 IPv4 addresses. The bulk of its IP address space is in the United Kingdom. No IPv6 support — it's 2026, just saying.
Basic Information
- Country
- 🇬🇧 United Kingdom
- Category
- Education/Research
- Network Role
- Stub Network
- Data Origin
- Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
- Registered
- February 01, 2010
- Last Changed
- March 04, 2026
- Last Seen
- April 30, 2026 (active)
Prefix Summary
- IPv4 Prefixes (raw / aggregated)
- 5 / 4
- IPv6 Prefixes (raw / aggregated)
- 0 / 0
- IPv4 Addresses
- 1 280
- Largest IPv4 Prefix
- /23 (512 addresses)
- Geolocated Countries
- 🇬🇧 United Kingdom (1 280 IPs)
- Prefix Changed
- April 12, 2026
Reputation
- Reputation
- Pristine — 0 flagged IPs
Connectivity Summary
- Upstream Providers
- 2 upstreams providing transit
- Degree
- 2 unique BGP neighbors
- Reach
- 0 networks in customer cone
Upstream Providers (2)
Prefix Lists
IPv4 Prefixes (5 total)
- 143.65.200.0/23 (512 addresses (/23 prefix))
- 143.65.192.0/24 (256 addresses (/24 prefix))
- 143.65.196.0/24 (256 addresses (/24 prefix))
- 143.65.206.0/24 (256 addresses (/24 prefix))